Filter the footer text and replace it with some of out own

functions.php

<?php
//* Don't include the opening php tag

//* Filter the footer credits
add_filter( 'genesis_footer_creds_text', 'prefix_footer_creds_text' );
function prefix_footer_creds_text( $args ) {
	$args = '[footer_copyright] ' . get_bloginfo( 'name' ) . '<br/>Website handcrafted with love by Your Name';
	return  $args;
}